* {
    padding: 0;
    margin: 0;
    text-decoration: none;
    text-align: center;
}

html {
    background-color: #f7fbec;
}

header {
    background: url("../img/game-bg.jpg") no-repeat center center;
    width: auto;
    background-size: 100%;
    height: 150px;
}

header > a {
    margin: 5px 10px 0px;
    float: right;
    width: 50px;
    height: 25px;
    border-radius: 5px;
    background-color: #ff8500;
}

.nav {
    background-color: #78cffc;
    width: 900px;
    margin: 0 auto;
    padding: 10px 0 10px;
}

span > a {
    color: white;
    font-size: 20px;
}

span {
    padding-left: 40px;
    padding-right: 40px;
    border-right: solid 1px black;
}

.nav-title7 {
    border: none;
}

hr {
    margin-left: 250px;
    margin-right: 250px;
}

.game {
    width: 1000px;
    margin: 0 auto;
}

.game-m {
    display: inline-block;
}

.game > div {
    width: 300px;
    padding-top: 50px;
}

div > img {
    width: 100%;
}